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Davis BIO 225 (Lab) > The Microscope > Flashcards

Flashcards in The Microscope Deck (18)
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1
Q

This lens forms the initial image of the specimen

A

Real Image

2
Q

This lens forms the magnified image that is received by the retina and perceived by the brain.

A

Virtual Image

3
Q

The ability to see two items as separate and discrete units rather than a fuzzy overlapped single image.

A

Resolution

4
Q

What is the formula for calculating total magnification?

A

Power of objective lens x power ocular lens = Total Magnification

5
Q

What two things are required to achieve resolution

A

Oil and light of short wavelength

6
Q

Power of the Scanning Objective

A

4x

7
Q

Power of the low power objective

A

10x

8
Q

Power of the High Dry objective

A

40x

9
Q

Power of the Oil Objective

A

100x

10
Q

What is the correct order for the pathway that light takes through a microscope

A

Light source, Illuminator,condenser, specimen, objective lens and ocular lens

11
Q

Magnifies the specimen by varying levels

A

Objective Lens

12
Q

Magnifies the specimen by 10

A

Ocular Lens

13
Q

Serves as the base that holds the specimen

A

Stage

14
Q

Moves the stage in large increments to bring the specimen into focus

A

Course Focus

15
Q

Moves the stage in small increments to bring the specimen into focus

A

Fine Focus

16
Q

Controls the amount of light that passes through the condenser

A

Iris Diaphragm

17
Q

Projects light upward from the light source of the microscope

A

Illuminator

18
Q

Collects and focus light from the illuminator to the specimen.

A

Condenser